** RLC Circuits Objectives PART 01**

**01 ** A capacitor offers easy path to a.c. but blocks d.c.

**02** The unit of inductive susceptance is Siemens.

**03 ** An inductor supplied with 50 V ac with a frequency of 10 kHz passes a current of 7.96 mA. The value ofinductor is 100 **mH**

**04 **When a 100-mA alternating current with a frequency of 1 kHz flows in the primary of two

coupled coils, the secondary voltage is 1 V. The mutual inductance between the coils is I.59 mH.

**05 ** In a.c. circuit, the power is consumed only in r e s i s t a n c e .

**06 ** In which of the following cases will the capacitor complete its discharge most rapidly A 50 pF

capacitor with a 20-mV charge discharging through a 200 milli-ohm resistance

**07** An electric bulb rated 220 V is connected 220 V, 5 Hz source. Then, the bulb glows

intermittently.

**08 ** Which of the following refers to a parallel circuit? **The current through any one element isless than the source current.**

**09 ** Under which of the following case the power dissipated in R3 in the circuit shown will be increased.R4 is shorted circuited.

**10 **Capacitive susceptance is a measure of a purely capacitive circuit’s ability to pass current.

**11 ** . Capacitive susceptance is expressed in terms Siemens.

**12 ** A 50 micro farad capacitor supplied from a 1.5-volt source with a frequency of 60 Hz: The

Capacitive reactance is 53 ohms.

**13 ** The current that flows in the circuit is 2.2A.

**14 ** ** A capacitor passes a current of 12.6 mA when supplied with 20 V ac with afrequency of 1 kHz. The capacitance of the capacitor is 0.1 micro F.**

**15 ** Admittance is a reciprocal of impedance.

**16 **Questions 16 to 19 refer to data given A series circuit consists of R =20 0ohms,L=

20 mH hand an ac supply of 60 V with f = 100 Hz. The current in R is 2.54 A.

**17 **The voltage across R is50.8 V.

**18 ** The voltage across L is 31.9 V

**19 **The phase angle of current with respect to supply voltage is 32.1°.

**20 ** Which of the following case represent largest mmf? A100 turn coil wound around 30cm

cardboard core and passing a current of 0.75 A.